docs: def send_login_code(self, code, context, **kwargs):
          """
          Send a login code via SMS
          """
          from_number = self.from_number or getattr(settings, 'DEFAULT_FROM_NUMBER')
          sms_content = render_to_string(self.template_name, context)
  
          self.twilio_client.messages.create(
              to=code.user.phone_number,
              from_=from_number,
              body=sms_content
          )